4785779 has 4 divisors (see below), whose sum is σ = 4803840. Its totient is φ = 4767720.

The previous prime is 4785773. The next prime is 4785787. The reversal of 4785779 is 9775874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4785779 - 2⁸ = 4785523 is a prime.

It is a d-powerful number, because it can be written as 4 + 7² + 8 + 5 + 7³ + 7⁴ + 9⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4785773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8627 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (1200960).

Almost surely, 2^4785779 is an apocalyptic number.

4785779 is a deficient number, since it is larger than the sum of its proper divisors (18061).

4785779 is a wasteful number, since it uses less digits than its factorization.

4785779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18060.

The product of its digits is 493920, while the sum is 47.

The square root of 4785779 is about 2187.6423382262. The cubic root of 4785779 is about 168.5197786044.

The spelling of 4785779 in words is "four million, seven hundred eighty-five thousand, seven hundred seventy-nine".